Well i kind of liked the idea! But sorry i couldnt help. But i can give you some advise. U said that the ninjas are strong martial artists. But in real ninjas are not just fearsome fighters,but they are also cold blooded murderers. And they kan use helucinating tricks. So, make the village both fight and psychic type. And another thing, why would the elder tell two graduates of ninjutsu to take such a big responsibility?